YOKOGAWA FG400, User Manual

Page: 156 / 171

144
7.
SPECIFICATIONS
IM FG410-01EN
7.13 Synchronous Operation of Multiple Units
Connection
Connection cable
Cable type Coaxial cable with characteristic impedance of 50 Ω
with BNC connector (RG-58A/U, etc.)
Cable length limit 1 m or less between units, total length of 3 m or less
Maximum number of
connectable units
Connection method 1: 6 units including master unit
Connection method 2: 4 units including master unit
Phase synchronization operation Manual operation
Time difference between units
Delay of each channel of nth slave unit in relation to each channel of the master unit
(1
≤ N)
Connection method 1:
31 ns + (N − 1)
×
6 ns ± 25 ns or less typ.
Connection method 2:
31 ns + (N − 1)
×
31 ns ± 25 ns or less typ.
Condition: Same frequency, same phase, same wave-
form (sine or square), length of connection
cable between frequency reference output
and external frequency reference input = 1
m (RG-58A/U)
7.14 User-Defined Units
Function Setting and display in arbitrary unit according to the
specified conversion expression
Setting target Frequency (Hz), period (s), amplitude (Vp-p, Vpk), DC
offset (V), phase (deg), duty (%)
Conversion expression [(Setting target value) + n]
×
m, or
[log
10
(setting target value) + n]
×
m
Specification of conversion expression and values of n
and m
Unit character string Up to 4 characters can be set
Connection method 1
Connection method 2
REF
OUT
10MHz
REF IN
REF
OUT
10MHz
REF IN
Master unit Slave unit
Master unit Slave unit
External reference
use possible
External reference
use possible
REF
OUT
10MHz
REF IN
Slave unit
REF
OUT
10MHz
REF IN
Slave unit
Slave unit
T divider T divider
50
Ω
termination
resistor
REF
OUT
10MHz
REF IN
REF
OUT
10MHz
REF IN
REF
OUT
10MHz
REF IN